Answer:Yes,It is true that pollution is the price for progress
Explanation:The assertion that pollution is the price for progress is valid.
1. Progress in this regards simply means development or improvement either on the environment or a particular thing.
2. It is the people that pays the price
The moral of this assertion is that for any development to take place,the people must pay the price,this may be through inconveniences,land pollution e.t.c
A barter is negotiating the trade of one good to another. this is easier with coins because is has the same worth for everyone, whereas if goods were being negotiated, it would be more difficult because the worth may vary from person to person.
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Work Done = Force x Distance (Using Work Done to say that he does work)
Force = mass x acceleration
Everytime he starts walking (he accelerates from 0 ) so he exerts a force to carry his weight, and multiplied by distance = Work done to purely move around.
If he lifts something or pushes something, he also does work (using the same theory)